CVE-2025-53491

MEDIUM

Mediawiki FlaggedRevs Ext <1.43.2 - XSS

Title source: llm

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - FlaggedRevs Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - FlaggedRevs Extension: from 1.43.X before 1.43.2.

References (2)

Core 2

Core References

Issue Tracking

https://phabricator.wikimedia.org/T394397

Various Sources

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/FlaggedRevs/+/1165929

Scores

CVSS v3 5.4

EPSS 0.0017

EPSS Percentile 6.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (1)

Wikimedia Foundation/Mediawiki - FlaggedRevs Extension 1.43.x - 1.43.2

Published Jul 07, 2025

Tracked Since Feb 18, 2026